3923420860550 has 48 divisors (see below), whose sum is σ = 7388039916432. Its totient is φ = 1549923984000.

The previous prime is 3923420860549. The next prime is 3923420860553. The reversal of 3923420860550 is 550680243293.

It is a junction number, because it is equal to n+sod(n) for n = 3923420860495 and 3923420860504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923420860553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11943500 + ... + 12267600.

It is an arithmetic number, because the mean of its divisors is an integer number (153917498259).

Almost surely, 2^{3923420860550} is an apocalyptic number.

3923420860550 is a deficient number, since it is larger than the sum of its proper divisors (3464619055882).

3923420860550 is a wasteful number, since it uses less digits than its factorization.

3923420860550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327113 (or 327108 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 3923420860550 in words is "three trillion, nine hundred twenty-three billion, four hundred twenty million, eight hundred sixty thousand, five hundred fifty".